
<template>
  <div>
    <div class="card" style="margin-bottom: 5px">
      <el-input clearable @clear="load" style="width: 260px;margin-right: 5px"  v-model="data.username" placeholder="请输入账号" :prefix-icon="Search"></el-input>
      <el-input clearable @clear="load" style="width: 260px;margin-right: 5px"  v-model="data.name" placeholder="请输入名称查询" :prefix-icon="Search"></el-input>
      <el-button type="primary" @click="load">查询</el-button>
      <el-button @click="reset">重置</el-button>
    </div>
    <div class="card" style="margin-bottom: 5px">
      <el-button type="primary" @click="handleAdd">新增</el-button>
      <el-button type="danger" @click="deleteBatch">批量删除</el-button>
      <el-button type="info" @click="exportData">批量导出</el-button>
      <el-upload
      style="display:inline-block;margin-left: 10px"
      action="http://localhost:9999/user/import"
      :show-file-list="false"
      :on-success="handleImportSuccess"
      >
        <el-button type="success">批量导入</el-button>
      </el-upload>
    </div>
    <div class="card" style="margin-bottom: 5px">
      <el-table :data="data.tableData" style="width: 100%" @selection-change="handleSelectionChange"
                :header-cell-style="{color:'#333',backgroundColor:'#eaf4ff'}">
        <el-table-column type="selection" width="55"/>
        <el-table-column  label="头像" width="100">
          <template #default="scope">
            <el-image v-if="scope.row.avatar" :src="scope.row.avatar" :preview-src-list="[scope.row.avatar]" :preview-teleported="true"
            style="width: 40px;height: 40px;border-radius: 50%;display: block"/>
          </template>
        </el-table-column>
        <el-table-column prop="username" label="账号"/>
        <el-table-column prop="name" label="姓名" />
        <el-table-column prop="role" label="角色" />
        <el-table-column prop="phone" label="电话" />
        <el-table-column prop="email" label="邮箱" />
        <el-table-column label="操作" width="100">
          <template #default="scope">
            <el-button type="primary" icon="Edit" circle @click="handleEdit(scope.row)"></el-button>
            <el-button type="danger" icon="Delete" circle @click="del(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <div class="card" style="margin-bottom: 5px">
      <el-pagination
          v-model:current-page="data.pageNum"
          v-model:page-size="data.pageSize"
          :page-sizes="[5,10,20]"
          :total="data.total"
          layout="total,sizes, prev, pager, next,jumper"
          @current-change="load"
          @size-change="load"
      />
    </div>

    <el-dialog title="普通用户信息" v-model="data.formVisible"  width="500" destroy-on-close>
      <el-form ref="formRef" :model="data.form" :rules="data.rules" label-width="80px" style="padding: 20px 30px 10px 0">
        <el-form-item prop="username" label="用户名" >
          <el-input v-model="data.form.username" autocomplete="off" placeholder="请输入账号"/>
        </el-form-item>
        <el-form-item prop="name" label="名称" >
          <el-input v-model="data.form.name" autocomplete="off" placeholder="请输入名称"/>
        </el-form-item>
        <el-form-item prop="phone" label="电话" >
          <el-input v-model="data.form.phone" autocomplete="off" placeholder="请输入电话"/>
        </el-form-item>
        <el-form-item prop="email" label="邮箱" >
          <el-input v-model="data.form.email" autocomplete="off" placeholder="请输入邮箱"/>
        </el-form-item>
        <el-form-item prop="avatar" label="头像" >
         <el-upload
         action="http://localhost:9999/files/upload"
         :headers="{ token:data.user.token }"
         :on-success="handleFileSuccess"
         list-type="picture"
         >
           <el-button type="primary">上传头像</el-button>
         </el-upload>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="data.formVisible = false">取消</el-button>
          <el-button type="primary" @click="save">保存</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>


<script setup>
import {reactive,ref} from "vue";
import {Search} from "@element-plus/icons-vue";
import request from "@/utils/request.js";
import {ElMessage, ElMessageBox} from "element-plus";

const data=reactive({
  user:JSON.parse(localStorage.getItem('code_user')||'{}'),
  username:null,
  name:null,
  pageNum:1,
  pageSize:5,
  total:6,
  tableData:[],
  formVisible:false,
  form:{},
  rules:{
    username:[
      {required:true,message:'请填写账号',trigger:'blur'}
    ],
    name:[
      {required:true,message:'请填写名称',trigger:'blur'}
    ],
    phone:[
      {required:true,message:'请填写电话',trigger:'blur'}
    ],
    email:[
      {required:true,message:'请填写邮箱',trigger:'blur'}
    ],
  },
  rows:[],
  ids:[]
})

const formRef=ref()

const load=()=>{
  request.get('/user/selectPage',{
    params:{
      pageNum:data.pageNum,
      pageSize:data.pageSize,
      username:data.username,
      name:data.name
    }
  }).then(res=>{
    if (res.code==='200'){
      data.tableData=res.data.list
      data.total=res.data.total
    }else {
      ElMessage.error(res.msg)
    }
  })
}
load()

const reset=()=>{
  data.username=null
  data.name=null
  load()
}

const handleAdd =()=>{
  data.formVisible=true
  data.form={}
}

const add =()=>{
  formRef.value.validate((valid)=>{
    if (valid){
      request.post("/user/add",data.form).then(res=>{
        if (res.code==='200'){
          data.formVisible=false
          ElMessage.success('新增成功')
          load()
        }else {
          ElMessage.error(res.msg)
        }
      })
    }
  })
}

const handleEdit=(row)=>{
  data.form=JSON.parse(JSON.stringify(row))
  data.formVisible=true
}

const update=()=>{
  formRef.value.validate((valid)=>{
    if (valid){
      request.put("/user/update",data.form).then(res=>{
        if (res.code==='200'){
          data.formVisible=false
          ElMessage.success('修改成功')
          load()
        }else {
          ElMessage.error(res.msg)
        }
      })
    }
  })
}

const save=()=>{
  data.form.id ? update() : add()
}

const del=(id)=>{
  ElMessageBox.confirm('删除后无法回复，确认删除吗？','删除确认',{type:'warning'}).then(res=>{
    request.delete('/user/delete/'+id).then(res=> {
      if (res.code === '200') {
        ElMessage.success('删除成功')
        load()
      } else {
        ElMessage.error(res.msg)
      }
    })
  }).catch(err=>{})
}

const handleSelectionChange=(rows)=>{
  data.rows=rows
  data.ids=data.rows.map(v =>v.id)
}

const deleteBatch=()=>{
  if(data.rows.length===0){
    ElMessage.warning('请选择删除对象')
    return
  }
  ElMessageBox.confirm('删除后无法回复，确认删除吗？','删除确认',{type:'warning'}).then(res=>{
    request.delete('/user/deleteBatch',{data:data.rows}).then(res=> {
      if (res.code === '200') {
        ElMessage.success('删除成功')
        load()
      } else {
        ElMessage.error(res.msg)
      }
    })
  }).catch(err=>{})
}

const exportData=()=>{
  let idsStr=data.ids.join(",")
  let url=`http://localhost:9999/user/export?username=${data.username===null?'':data.username}`
  + `&name=${data.name===null?'':data.name}`
  +`&ids=${idsStr}`+`&token=${data.user.token}`
  window.open(url)
}

const handleImportSuccess=(res  )=>{
  if (res.code === '200') {
    ElMessage.success('批量导入成功')
    load()
  } else {
    ElMessage.error(res.msg)
  }
}

const handleFileSuccess=(res)=>{
  data.form.avatar=res.data
}
</script>